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French Onion Chicken Rice Casserole

A slice of French Onion Chicken Rice Casserole topped with melted cheese and fresh parsley.

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Enjoy the comforting flavors of French onion soup in this easy, dump-and-bake chicken and rice casserole. This one-pan meal is perfect for busy weeknights.

Ingredients

Scale
  • 1.5 lbs boneless, skinless chicken thighs, cut into 1-inch pieces
  • 1 tbsp olive oil
  • 1 large yellow onion, thinly sliced
  • 2 cloves garlic, minced
  • 1 (10.5 oz) can condensed cream of chicken soup
  • 1.5 cups chicken broth
  • 1 cup uncooked white rice
  • 1 tsp dried thyme
  • 1/2 tsp black pepper
  • 1/4 tsp salt
  • 1 cup shredded Gruyere cheese
  • 1/2 cup shredded Parmesan cheese
  • 2 tbsp chopped fresh parsley, for garnish

Instructions

  1. Preheat your oven to 375°F (190°C).
  2. In a large oven-safe skillet or Dutch oven, heat olive oil over medium-high heat. Add chicken pieces and cook until browned on all sides, about 5-7 minutes. Remove chicken from skillet and set aside.
  3. Add the sliced onion to the skillet and cook, stirring occasionally, until softened and lightly caramelized, about 8-10 minutes. Add minced garlic and cook for 1 minute more until fragrant.
  4. Stir in the condensed cream of chicken soup, chicken broth, uncooked rice, dried thyme, black pepper, and salt. Bring the mixture to a simmer, scraping up any browned bits from the bottom of the skillet.
  5. Return the browned chicken to the skillet. Stir to combine everything.
  6. Cover the skillet tightly with a lid or aluminum foil. Bake for 30 minutes, or until the rice is tender and the chicken is cooked through.
  7. Remove the lid and sprinkle the Gruyere and Parmesan cheeses evenly over the top.
  8. Return the skillet to the oven, uncovered, and bake for another 5-7 minutes, or until the cheese is melted and bubbly.
  9. Garnish with fresh parsley before serving.

Notes

  • For a richer onion flavor, you can caramelize the onions for a longer period, up to 20 minutes.
  • If you prefer chicken breasts, you can use them, but they may become drier than thighs. Adjust cooking time as needed.
  • Ensure your liquid-to-rice ratio is correct for perfectly cooked rice.
  • This casserole is a great pantry staple meal.

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